<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>登录成功</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            background: linear-gradient(to right, #4facfe, #00f2fe);
            font-family: 'Arial', sans-serif;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            color: #fff;
        }
        .container {
            text-align: center;
            background: rgba(255, 255, 255, 0.1);
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .container h1 {
            font-size: 36px;
            margin-bottom: 20px;
        }
        .container p {
            font-size: 18px;
            margin-bottom: 30px;
        }
        .btn {
            background-color: #fff;
            color: #4facfe;
            padding: 12px 24px;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            text-decoration: none;
        }
        .btn:hover {
            background-color: #f0f0f0;
        }
    </style>
</head>
<body>
<div class="container">
    <h1>登录成功！</h1>
    <p>欢迎回来，您已成功登录系统。</p>
</div>
</body>
</html>
